Running: ./testmodel.py --libraries=/home/hudson/saved_omc/libraries/.openmodelica/libraries --ompython_omhome=/usr ScalableTestSuite_noopt_ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2.conf.json loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo): time 0.001488/0.001488, allocations: 81.97 kB / 22.21 MB, free: 2.285 MB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo): time 0.001194/0.001194, allocations: 163 kB / 25.61 MB, free: 8.531 MB / 18.57 MB " [Timeout remaining time 180] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo): time 0.983/0.983, allocations: 177.1 MB / 206.1 MB, free: 4.477 MB / 186.7 MB " [Timeout remaining time 179] loadFile("/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite master/package.mo", uses=false) [Timeout 180] "Notification: Performance of loadFile(/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite master/package.mo): time 0.812/0.812, allocations: 88.08 MB / 350.7 MB, free: 11.81 MB / 330.8 MB " [Timeout remaining time 179] Using package ScalableTestSuite with version 2.2.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ScalableTestSuite master/package.mo) Using package Modelica with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Modelica 4.1.0+maint.om/package.mo) Using package Complex with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/Complex 4.1.0+maint.om/package.mo) Using package ModelicaServices with version 4.1.0 (/home/hudson/saved_omc/libraries/.openmodelica/libraries/ModelicaServices 4.1.0+maint.om/package.mo) Running command: translateModel(ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2,tolerance=3e-08,outputFormat="mat",numberOfIntervals=2000,variableFilter="revolute.[0-9,]+..angle|revolute.[0-9,]+..phi|time",fileNamePrefix="ScalableTestSuite_noopt_ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2") translateModel(ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2,tolerance=3e-08,outputFormat="mat",numberOfIntervals=2000,variableFilter="revolute.[0-9,]+..angle|revolute.[0-9,]+..phi|time",fileNamePrefix="ScalableTestSuite_noopt_ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2") [Timeout 300] "Notification: Performance of FrontEnd - loaded program: time 1.653e-06/1.653e-06, allocations: 0 / 452.9 MB, free: 7.941 MB / 426.8 MB Notification: Performance of FrontEnd - Absyn->SCode: time 1.512e-05/1.677e-05, allocations: 2.312 kB / 452.9 MB, free: 7.938 MB / 426.8 MB Notification: Performance of NFInst.instantiate(ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2): time 0.00876/0.008777, allocations: 11.56 MB / 464.5 MB, free: 12.31 MB / 442.8 MB Notification: Performance of NFInst.instExpressions: time 0.006387/0.01516, allocations: 4.361 MB / 468.9 MB, free: 7.938 MB / 442.8 MB Notification: Performance of NFInst.updateImplicitVariability: time 0.0008076/0.01597, allocations: 99.44 kB / 469 MB, free: 7.84 MB / 442.8 MB Notification: Performance of NFTyping.typeComponents: time 0.002961/0.01893, allocations: 3.255 MB / 472.2 MB, free: 4.574 MB / 442.8 MB Notification: Performance of NFTyping.typeBindings: time 0.002887/0.02182, allocations: 2.236 MB / 474.4 MB, free: 2.328 MB / 442.8 MB Notification: Performance of NFTyping.typeClassSections: time 0.001353/0.02317, allocations: 1.115 MB / 475.6 MB, free: 1.211 MB / 442.8 MB Notification: Performance of NFFlatten.flatten: time 0.005876/0.02905, allocations: 8.268 MB / 483.8 MB, free: 8.93 MB / 458.8 MB Notification: Performance of NFFlatten.resolveConnections: time 0.003668/0.03272, allocations: 4.573 MB / 488.4 MB, free: 4.293 MB / 458.8 MB Notification: Performance of NFEvalConstants.evaluate: time 0.004543/0.03726, allocations: 4.66 MB / 493.1 MB, free: 15.62 MB / 474.8 MB Notification: Performance of NFSimplifyModel.simplify: time 0.003004/0.04026, allocations: 3.418 MB / 496.5 MB, free: 12.2 MB / 474.8 MB Notification: Performance of NFPackage.collectConstants: time 0.0005922/0.04086, allocations: 444 kB / 496.9 MB, free: 11.77 MB / 474.8 MB Notification: Performance of NFFlatten.collectFunctions: time 0.001541/0.0424, allocations: 1.268 MB / 498.2 MB, free: 10.5 MB / 474.8 MB Notification: Performance of NFScalarize.scalarize: time 0.001619/0.04402, allocations: 2.696 MB / 0.4891 GB, free: 7.793 MB / 474.8 MB Notification: Performance of NFVerifyModel.verify: time 0.001663/0.04568, allocations: 1.691 MB / 0.4908 GB, free: 6.098 MB / 474.8 MB Notification: Performance of NFConvertDAE.convert: time 0.004687/0.05037, allocations: 5.953 MB / 0.4966 GB, free: 128 kB / 474.8 MB Notification: Performance of FrontEnd - DAE generated: time 5.59e-06/0.05037, allocations: 4 kB / 0.4966 GB, free: 124 kB / 474.8 MB Notification: Performance of FrontEnd: time 9.12e-07/0.05037, allocations: 0 / 0.4966 GB, free: 124 kB / 474.8 MB Notification: Performance of Transformations before backend: time 0.0001004/0.05047, allocations: 0 / 0.4966 GB, free: 124 kB / 474.8 MB Notification: Model statistics after passing the front-end and creating the data structures used by the back-end: * Number of equations: 1559 * Number of variables: 1559 Notification: Performance of Generate backend data structure: time 0.007928/0.0584, allocations: 6.335 MB / 0.5028 GB, free: 9.703 MB / 490.8 MB Notification: Performance of prepare preOptimizeDAE: time 4.319e-05/0.05844, allocations: 11.98 kB / 0.5028 GB, free: 9.691 MB / 490.8 MB Notification: Performance of preOpt normalInlineFunction (simulation): time 0.01557/0.07401, allocations: 3.486 MB / 0.5062 GB, free: 6.195 MB / 490.8 MB Notification: Performance of preOpt evaluateParameters (simulation): time 0.004238/0.07825, allocations: 3.052 MB / 0.5092 GB, free: 3.066 MB / 490.8 MB Notification: Performance of preOpt simplifyIfEquations (simulation): time 0.0001658/0.07842, allocations: 263.1 kB / 0.5094 GB, free: 2.809 MB / 490.8 MB Notification: Performance of preOpt expandDerOperator (simulation): time 0.0004734/0.07889, allocations: 368.1 kB / 0.5098 GB, free: 2.449 MB / 490.8 MB Notification: Performance of preOpt clockPartitioning (simulation): time 0.3763/0.4552, allocations: 6.028 MB / 0.5157 GB, free: 90.08 MB / 490.9 MB Notification: Performance of preOpt findStateOrder (simulation): time 0.0001145/0.4553, allocations: 48.95 kB / 0.5157 GB, free: 90.08 MB / 490.9 MB Notification: Performance of preOpt replaceEdgeChange (simulation): time 0.0002948/0.4556, allocations: 165.4 kB / 0.5159 GB, free: 90.08 MB / 490.9 MB Notification: Performance of preOpt inlineArrayEqn (simulation): time 0.001314/0.4569, allocations: 1.71 MB / 0.5176 GB, free: 90.07 MB / 490.9 MB Notification: Performance of preOpt removeEqualRHS (simulation): time 0.004667/0.4616, allocations: 2.544 MB / 0.52 GB, free: 89.97 MB / 490.9 MB Notification: Performance of preOpt removeSimpleEquations (simulation): time 0.02826/0.4899, allocations: 44.26 MB / 0.5633 GB, free: 57.65 MB / 490.9 MB Notification: Performance of preOpt comSubExp (simulation): time 0.004069/0.4939, allocations: 1.615 MB / 0.5648 GB, free: 57.35 MB / 490.9 MB Notification: Performance of preOpt resolveLoops (simulation): time 0.0007049/0.4947, allocations: 0.5265 MB / 0.5653 GB, free: 57.26 MB / 490.9 MB Notification: Performance of preOpt evalFunc (simulation): time 0.005269/0.4999, allocations: 4.3 MB / 0.5695 GB, free: 55.02 MB / 490.9 MB Notification: Performance of preOpt encapsulateWhenConditions (simulation): time 3.869e-05/0.5, allocations: 59.16 kB / 0.5696 GB, free: 54.96 MB / 490.9 MB Notification: Performance of pre-optimization done (n=162): time 3.848e-06/0.5, allocations: 0 / 0.5696 GB, free: 54.96 MB / 490.9 MB Notification: Performance of matching and sorting (n=178): time 0.01689/0.5169, allocations: 7.345 MB / 0.5768 GB, free: 53.52 MB / 490.9 MB Notification: Performance of inlineWhenForInitialization (initialization): time 5.66e-05/0.5169, allocations: 301.9 kB / 0.5771 GB, free: 53.18 MB / 490.9 MB Notification: Performance of selectInitializationVariablesDAE (initialization): time 0.002923/0.5198, allocations: 4.217 MB / 0.5812 GB, free: 52.09 MB / 490.9 MB Notification: Performance of collectPreVariables (initialization): time 6.837e-05/0.5199, allocations: 52.7 kB / 0.5812 GB, free: 52.04 MB / 490.9 MB Notification: Performance of collectInitialEqns (initialization): time 0.001286/0.5212, allocations: 3.742 MB / 0.5849 GB, free: 49.38 MB / 490.9 MB Notification: Performance of collectInitialBindings (initialization): time 0.0003414/0.5215, allocations: 0.7571 MB / 0.5856 GB, free: 48.79 MB / 490.9 MB Notification: Performance of simplifyInitialFunctions (initialization): time 0.0009705/0.5225, allocations: 1.409 MB / 0.587 GB, free: 48.07 MB / 490.9 MB Notification: Performance of setup shared object (initialization): time 3.991e-05/0.5225, allocations: 476.8 kB / 0.5875 GB, free: 47.6 MB / 490.9 MB Notification: Performance of preBalanceInitialSystem (initialization): time 0.0007958/0.5233, allocations: 0.5936 MB / 0.588 GB, free: 47.38 MB / 490.9 MB Notification: Performance of partitionIndependentBlocks (initialization): time 0.002309/0.5256, allocations: 6.116 MB / 0.594 GB, free: 39.51 MB / 490.9 MB Notification: Performance of analyzeInitialSystem (initialization): time 0.003241/0.5289, allocations: 7.106 MB / 0.6009 GB, free: 30.72 MB / 490.9 MB Notification: Performance of solveInitialSystemEqSystem (initialization): time 2.849e-05/0.5289, allocations: 36 kB / 0.601 GB, free: 30.69 MB / 490.9 MB Notification: Performance of matching and sorting (n=799) (initialization): time 0.004428/0.5333, allocations: 4.925 MB / 0.6058 GB, free: 25.76 MB / 490.9 MB Notification: Performance of prepare postOptimizeDAE: time 4.531e-05/0.5334, allocations: 60 kB / 0.6058 GB, free: 25.7 MB / 490.9 MB Notification: Performance of postOpt simplifyComplexFunction (initialization): time 5.787e-05/0.5334, allocations: 124.5 kB / 0.606 GB, free: 25.58 MB / 490.9 MB Notification: Performance of postOpt tearingSystem (initialization): time 0.0007918/0.5342, allocations: 433.3 kB / 0.6064 GB, free: 25.15 MB / 490.9 MB Notification: Performance of postOpt solveSimpleEquations (initialization): time 0.001953/0.5362, allocations: 1.365 MB / 0.6077 GB, free: 23.79 MB / 490.9 MB Notification: Performance of postOpt calculateStrongComponentJacobians (initialization): time 0.001994/0.5382, allocations: 2.91 MB / 0.6106 GB, free: 20.81 MB / 490.9 MB Notification: Performance of postOpt simplifyAllExpressions (initialization): time 0.002335/0.5405, allocations: 267.7 kB / 0.6108 GB, free: 20.55 MB / 490.9 MB Notification: Performance of postOpt collapseArrayExpressions (initialization): time 0.0002559/0.5408, allocations: 308 kB / 0.6111 GB, free: 20.25 MB / 490.9 MB Notification: Model statistics after passing the back-end for initialization: * Number of independent subsystems: 569 * Number of states: 0 () * Number of discrete variables: 41 (force.arrow.twoHeadedArrow,force.arrow.headAtOrigin,force.color[3],force.color[2],force.color[1],bodybox[1].color[3],bodybox[1].color[2],bodybox[1].color[1],bodybox[1].body.sphereColor[3],bodybox[1].body.sphereColor[2],bodybox[1].body.sphereColor[1],bodyboxN.color[3],bodyboxN.color[2],bodyboxN.color[1],bodyboxN.body.sphereColor[3],bodyboxN.body.sphereColor[2],bodyboxN.body.sphereColor[1],bodybox1.color[3],bodybox1.color[2],bodybox1.color[1],bodybox1.body.sphereColor[3],bodybox1.body.sphereColor[2],bodybox1.body.sphereColor[1],revolute[2].cylinderColor[3],revolute[2].cylinderColor[2],revolute[2].cylinderColor[1],revolute[1].cylinderColor[3],revolute[1].cylinderColor[2],revolute[1].cylinderColor[1],world.axisColor_x[3],world.axisColor_x[2],world.axisColor_x[1],world.groundColor[3],world.groundColor[2],world.groundColor[1],world.gravitySphereColor[3],world.gravitySphereColor[2],world.gravitySphereColor[1],world.gravityArrowColor[3],world.gravityArrowColor[2],world.gravityArrowColor[1]) * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for initialization (763): * Single equations (assignments): 759 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(2,11,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of prepare postOptimizeDAE: time 0.001238/0.542, allocations: 0.6527 MB / 0.6117 GB, free: 19.58 MB / 490.9 MB Notification: Performance of postOpt lateInlineFunction (simulation): time 0.000394/0.5424, allocations: 437.4 kB / 0.6122 GB, free: 19.15 MB / 490.9 MB Notification: Performance of postOpt wrapFunctionCalls (simulation): time 0.001405/0.5438, allocations: 1.181 MB / 0.6133 GB, free: 17.96 MB / 490.9 MB Notification: Performance of postOpt inlineArrayEqn (simulation): time 1.584e-05/0.5438, allocations: 20 kB / 0.6133 GB, free: 17.94 MB / 490.9 MB Notification: Performance of postOpt constantLinearSystem (simulation): time 1.007e-05/0.5438, allocations: 7.938 kB / 0.6133 GB, free: 17.93 MB / 490.9 MB Notification: Performance of postOpt simplifysemiLinear (simulation): time 1.057e-05/0.5438, allocations: 7.969 kB / 0.6133 GB, free: 17.92 MB / 490.9 MB Notification: Performance of postOpt removeSimpleEquations (simulation): time 0.006666/0.5505, allocations: 5.95 MB / 0.6192 GB, free: 12.38 MB / 490.9 MB Notification: Performance of postOpt simplifyComplexFunction (simulation): time 9.518e-06/0.5505, allocations: 12 kB / 0.6192 GB, free: 12.37 MB / 490.9 MB Notification: Performance of postOpt solveSimpleEquations (simulation): time 0.0005635/0.5511, allocations: 275.5 kB / 0.6194 GB, free: 12.1 MB / 490.9 MB Notification: Performance of postOpt tearingSystem (simulation): time 0.0005823/0.5517, allocations: 257.3 kB / 0.6197 GB, free: 11.84 MB / 490.9 MB Notification: Performance of postOpt inputDerivativesUsed (simulation): time 6.178e-05/0.5517, allocations: 48 kB / 0.6197 GB, free: 11.8 MB / 490.9 MB Notification: Performance of postOpt calculateStrongComponentJacobians (simulation): time 0.001573/0.5533, allocations: 2.622 MB / 0.6223 GB, free: 9.094 MB / 490.9 MB Notification: Performance of postOpt calculateStateSetsJacobians (simulation): time 1.006e-05/0.5533, allocations: 21.02 kB / 0.6223 GB, free: 9.074 MB / 490.9 MB Notification: Performance of postOpt symbolicJacobian (simulation): time 0.002152/0.5555, allocations: 2.586 MB / 0.6248 GB, free: 6.281 MB / 490.9 MB Notification: Performance of postOpt removeConstants (simulation): time 0.0005793/0.556, allocations: 421.1 kB / 0.6252 GB, free: 5.871 MB / 490.9 MB Notification: Performance of postOpt simplifyTimeIndepFuncCalls (simulation): time 0.0002674/0.5563, allocations: 43.98 kB / 0.6253 GB, free: 5.828 MB / 490.9 MB Notification: Performance of postOpt simplifyAllExpressions (simulation): time 0.0007815/0.5571, allocations: 56.75 kB / 0.6253 GB, free: 5.773 MB / 490.9 MB Notification: Performance of postOpt findZeroCrossings (simulation): time 0.0001568/0.5572, allocations: 148.4 kB / 0.6255 GB, free: 5.629 MB / 490.9 MB Notification: Performance of postOpt collapseArrayExpressions (simulation): time 6.513e-05/0.5573, allocations: 48 kB / 0.6255 GB, free: 5.582 MB / 490.9 MB Notification: Performance of sorting global known variables: time 0.001361/0.5587, allocations: 1.76 MB / 0.6272 GB, free: 3.98 MB / 490.9 MB Notification: Performance of sort global known variables: time 7e-08/0.5587, allocations: 0 / 0.6272 GB, free: 3.98 MB / 490.9 MB Notification: Performance of remove unused functions: time 0.003688/0.5624, allocations: 1.244 MB / 0.6284 GB, free: 2.738 MB / 490.9 MB Notification: Model statistics after passing the back-end for simulation: * Number of independent subsystems: 55 * Number of states: 4 (revolute[1].w,revolute[2].w,springdamper[1].phi_rel,springdamper[2].phi_rel) * Number of discrete variables: 0 () * Number of discrete states: 0 () * Number of clocked states: 0 () * Top-level inputs: 0 Notification: Strong component statistics for simulation (153): * Single equations (assignments): 149 * Array equations: 3 * Algorithm blocks: 0 * Record equations: 0 * When equations: 0 * If-equations: 0 * Equation systems (not torn): 0 * Torn equation systems: 1 * Mixed (continuous/discrete) equation systems: 0 Notification: Torn system details for strict tearing set: * Linear torn systems (#iteration vars, #inner vars, density): 1 system {(2,11,100.0%)} * Non-linear torn systems (#iteration vars, #inner vars): 0 systems Notification: Performance of Backend phase and start with SimCode phase: time 0.0002907/0.5627, allocations: 209.8 kB / 0.6286 GB, free: 2.531 MB / 490.9 MB Notification: Performance of simCode: created initialization part: time 0.002891/0.5655, allocations: 2.847 MB / 0.6314 GB, free: 15.75 MB / 0.495 GB Notification: Performance of simCode: created event and clocks part: time 4.769e-06/0.5655, allocations: 0 / 0.6314 GB, free: 15.75 MB / 0.495 GB Notification: Performance of simCode: created simulation system equations: time 0.00075/0.5663, allocations: 0.7579 MB / 0.6322 GB, free: 14.98 MB / 0.495 GB Notification: Performance of simCode: created of all other equations (e.g. parameter, nominal, assert, etc): time 0.001803/0.5681, allocations: 0.6057 MB / 0.6328 GB, free: 14.42 MB / 0.495 GB Notification: Performance of simCode: created linear, non-linear and system jacobian parts: time 0.01083/0.5789, allocations: 9.023 MB / 0.6416 GB, free: 5.145 MB / 0.495 GB Notification: Performance of simCode: some other stuff during SimCode phase: time 0.001354/0.5803, allocations: 1.459 MB / 0.643 GB, free: 3.66 MB / 0.495 GB Notification: Performance of simCode: alias equations: time 0.001293/0.5816, allocations: 0.5355 MB / 0.6435 GB, free: 3.129 MB / 0.495 GB Notification: Performance of simCode: all other stuff during SimCode phase: time 0.001049/0.5826, allocations: 0.7128 MB / 0.6442 GB, free: 2.414 MB / 0.495 GB Notification: Performance of SimCode: time 2.655e-06/0.5826, allocations: 0 / 0.6442 GB, free: 2.414 MB / 0.495 GB Notification: Performance of Templates: time 0.05807/0.6407, allocations: 41.75 MB / 0.685 GB, free: 9.434 MB / 0.5419 GB " [Timeout remaining time 299] make -j1 -f ScalableTestSuite_noopt_ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2.makefile [Timeout 300] (rm -f ScalableTestSuite_noopt_ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2.pipe ; mkfifo ScalableTestSuite_noopt_ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2.pipe ; head -c 1048576 < ScalableTestSuite_noopt_ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2.pipe >> ../files/ScalableTestSuite_noopt_ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2.sim & ./ScalableTestSuite_noopt_ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2 -abortSlowSimulation -alarm=240 -emit_protected -lv LOG_STATS > ScalableTestSuite_noopt_ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2.pipe 2>&1) [Timeout 240] diffSimulationResults("ScalableTestSuite_noopt_ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2_res.mat","/var/lib/jenkins/ws/OpenModelicaLibraryTestingWork/OpenModelicaLibraryTesting/ReferenceFiles/ScalableTestSuite/ScalableTestSuite.Mechanical.FlexibleBeam.ScaledExperiments.FlexibleBeamModelica_N_2_res.mat","",relTol=0.003,relTolDiffMinMax=0.003,rangeDelta=0.001) [Timeout 300] "" [Timeout remaining time 300] Reference file matches [Calling sys.exit(0), Time elapsed: 4.602242328226566]